PRODUCTION OF THE ANTIBIOTIC CYANOBACTERIN LU-1 BY NOSTOC-LINCKIA CALU-892 (CYANOBACTERIUM)

被引:51
作者
GROMOV, BV [1 ]
VEPRITSKIY, AA [1 ]
TITOVA, NN [1 ]
MAMKAYEVA, KA [1 ]
ALEXANDROVA, OV [1 ]
机构
[1] LENINGRAD UNIV,INST BIOL,LENINGRAD 198904,USSR
关键词
CYANOBACTERIUM; NOSTOC-LINCKIA; CYANOBACTERIN LU-1;
D O I
10.1007/BF00003919
中图分类号
Q81 [生物工程学(生物技术)]; Q93 [微生物学];
学科分类号
071005 ; 0836 ; 090102 ; 100705 ;
摘要
Cyanobacterin LU-1, produced by Nostoc linckia CALU 892, inhibits the growth of many cyanobacteria and eukaryotic algae. The minimum effective dose of a crude preparation to Synechococcus sp. R-2 is ca 1-mu-g ml-1. The antibiotic hinders cell division and light-dependent oxygen evolution in Synechococcus sp. R-2 (PCC 7942) cells. It is not active against heterotrophic bacteria and fungi, and is non-toxic to mice. Purified cyanobacterium LU-1 contains a nitrous heterocycle with sugar and phenolic substituents. Cyanobacterin LU-1 accumulates in the medium during the course of growth, although not in direct proportion to cell density. Productivity of the culture depends on temperature.
引用
收藏
页码:55 / 59
页数:5
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